/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.values.storable;

import static org.neo4j.memory.HeapEstimator.shallowSizeOfInstance;
import static org.neo4j.memory.HeapEstimator.sizeOfObjectArray;

import java.util.Arrays;
import org.neo4j.values.AnyValue;
import org.neo4j.values.SequenceValue;
import org.neo4j.values.ValueMapper;

public class DurationArray extends NonPrimitiveArray<DurationValue> {
    private static final long SHALLOW_SIZE = shallowSizeOfInstance(DurationArray.class);

    private final DurationValue[] value;

    DurationArray(DurationValue[] value) {
        assert value != null;
        this.value = value;
    }

    @Override
    protected DurationValue[] value() {
        return value;
    }

    @Override
    public <T> T map(ValueMapper<T> mapper) {
        return mapper.mapDurationArray(this);
    }

    @Override
    public boolean equals(SequenceValue other) {
        if (other instanceof ArrayValue otherArray) {
            return otherArray.equals(value);
        } else {
            return super.equals(other);
        }
    }

    @Override
    public boolean equals(Value other) {
        return other.equals(value);
    }

    @Override
    public boolean equals(DurationValue[] x) {
        return Arrays.equals(value, x);
    }

    @Override
    public <E extends Exception> void writeTo(ValueWriter<E> writer) throws E {
        writer.beginArray(value.length, ValueWriter.ArrayType.DURATION);
        for (DurationValue x : value) {
            x.writeTo(writer);
        }
        writer.endArray();
    }

    @Override
    public AnyValue value(int offset) {
        return Values.durationValue(value[offset]);
    }

    @Override
    public ValueRepresentation valueRepresentation() {
        return ValueRepresentation.DURATION_ARRAY;
    }

    @Override
    protected int unsafeCompareTo(Value otherValue) {
        return compareToNonPrimitiveArray((DurationArray) otherValue);
    }

    @Override
    public boolean isIncomparableType() {
        return true;
    }

    @Override
    public String getTypeName() {
        return "DurationArray";
    }

    @Override
    public long estimatedHeapUsage() {
        return SHALLOW_SIZE + sizeOfObjectArray(DurationValue.SHALLOW_SIZE, value.length);
    }

    @Override
    public boolean hasCompatibleType(AnyValue value) {
        return value instanceof DurationValue;
    }

    @Override
    public ArrayValue copyWithAppended(AnyValue added) {
        assert hasCompatibleType(added) : "Incompatible types";
        DurationValue[] newArray = Arrays.copyOf(value, value.length + 1);
        newArray[value.length] = (DurationValue) added;
        return new DurationArray(newArray);
    }

    @Override
    public ArrayValue copyWithPrepended(AnyValue prepended) {
        assert hasCompatibleType(prepended) : "Incompatible types";
        DurationValue[] newArray = new DurationValue[value.length + 1];
        System.arraycopy(value, 0, newArray, 1, value.length);
        newArray[0] = (DurationValue) prepended;
        return new DurationArray(newArray);
    }
}
